Finding the Fourth Proportional to 42,978.24, 59,308.16 and 24,115.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,978.24 : 59,308.16 = 24,115.20 : x
2. Step 2: Convert to fraction form
   42,978.24/59,308.16 = 24,115.20/x
3. Step 3: Cross multiply
   42,978.24x = 59,308.16 × 24,115.20
4. Step 4: Simplify right side
   42,978.24x = 1,430,228,140.03
5. Step 5: Solve for x
   x = 1,430,228,140.03/42,978.24
6. Step 6: Final answer
   x = 33,277.96